25264939 has 6 divisors (see below), whose sum is σ = 29389884. Its totient is φ = 21655620.

The previous prime is 25264937. The next prime is 25264949. The reversal of 25264939 is 93946252.

It is not a de Polignac number, because 25264939 - 2¹ = 25264937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25264933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257757 + ... + 257854.

It is an arithmetic number, because the mean of its divisors is an integer number (4898314).

Almost surely, 2^25264939 is an apocalyptic number.

25264939 is a deficient number, since it is larger than the sum of its proper divisors (4124945).

25264939 is an equidigital number, since it uses as much as digits as its factorization.

25264939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515625 (or 515618 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 25264939 is about 5026.4240768164. The cubic root of 25264939 is about 293.4310614738.

The spelling of 25264939 in words is "twenty-five million, two hundred sixty-four thousand, nine hundred thirty-nine".